1eea5cf0fSBen Skeggs #ifndef __NVIF_MMU_H__ 2eea5cf0fSBen Skeggs #define __NVIF_MMU_H__ 3eea5cf0fSBen Skeggs #include <nvif/object.h> 4eea5cf0fSBen Skeggs 5eea5cf0fSBen Skeggs struct nvif_mmu { 6eea5cf0fSBen Skeggs struct nvif_object object; 7eea5cf0fSBen Skeggs u8 dmabits; 8eea5cf0fSBen Skeggs u8 heap_nr; 9eea5cf0fSBen Skeggs u8 type_nr; 10176ada03SJames Jones u8 kind_inv; 11eea5cf0fSBen Skeggs u16 kind_nr; 12f5650478SBen Skeggs s32 mem; 13eea5cf0fSBen Skeggs 14eea5cf0fSBen Skeggs struct { 15eea5cf0fSBen Skeggs u64 size; 16eea5cf0fSBen Skeggs } *heap; 17eea5cf0fSBen Skeggs 18eea5cf0fSBen Skeggs struct { 19eea5cf0fSBen Skeggs #define NVIF_MEM_VRAM 0x01 20eea5cf0fSBen Skeggs #define NVIF_MEM_HOST 0x02 21eea5cf0fSBen Skeggs #define NVIF_MEM_COMP 0x04 22eea5cf0fSBen Skeggs #define NVIF_MEM_DISP 0x08 23eea5cf0fSBen Skeggs #define NVIF_MEM_KIND 0x10 24eea5cf0fSBen Skeggs #define NVIF_MEM_MAPPABLE 0x20 25eea5cf0fSBen Skeggs #define NVIF_MEM_COHERENT 0x40 26eea5cf0fSBen Skeggs #define NVIF_MEM_UNCACHED 0x80 27eea5cf0fSBen Skeggs u8 type; 28eea5cf0fSBen Skeggs u8 heap; 29eea5cf0fSBen Skeggs } *type; 30eea5cf0fSBen Skeggs 31eea5cf0fSBen Skeggs u8 *kind; 32eea5cf0fSBen Skeggs }; 33eea5cf0fSBen Skeggs 34b495396cSBen Skeggs int nvif_mmu_ctor(struct nvif_object *, const char *name, s32 oclass, 35b495396cSBen Skeggs struct nvif_mmu *); 36b495396cSBen Skeggs void nvif_mmu_dtor(struct nvif_mmu *); 37eea5cf0fSBen Skeggs 38eea5cf0fSBen Skeggs static inline bool nvif_mmu_kind_valid(struct nvif_mmu * mmu,u8 kind)39eea5cf0fSBen Skeggsnvif_mmu_kind_valid(struct nvif_mmu *mmu, u8 kind) 40eea5cf0fSBen Skeggs { 41eea5cf0fSBen Skeggs if (kind) { 42176ada03SJames Jones if (kind >= mmu->kind_nr || mmu->kind[kind] == mmu->kind_inv) 43eea5cf0fSBen Skeggs return false; 44eea5cf0fSBen Skeggs } 45eea5cf0fSBen Skeggs return true; 46eea5cf0fSBen Skeggs } 47eea5cf0fSBen Skeggs 48eea5cf0fSBen Skeggs static inline int nvif_mmu_type(struct nvif_mmu * mmu,u8 mask)49eea5cf0fSBen Skeggsnvif_mmu_type(struct nvif_mmu *mmu, u8 mask) 50eea5cf0fSBen Skeggs { 51eea5cf0fSBen Skeggs int i; 52eea5cf0fSBen Skeggs for (i = 0; i < mmu->type_nr; i++) { 53eea5cf0fSBen Skeggs if ((mmu->type[i].type & mask) == mask) 54eea5cf0fSBen Skeggs return i; 55eea5cf0fSBen Skeggs } 56eea5cf0fSBen Skeggs return -EINVAL; 57eea5cf0fSBen Skeggs } 58eea5cf0fSBen Skeggs #endif 59